Method of making plastics cellular material

C - Chemistry – Metallurgy – 08 – J

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C08J 9/06 (2006.01) C08J 9/08 (2006.01)

Patent

CA 1265895

ABSTRACT This invention relates to a process for production of a plastics cellular material. The process comprises mixing a first mixture of a fast-curing resin that may be cured with an organic peroxide catalyst, a co-polymerizeable monomer, finely dispersed surfactants, finely dispersed gas releasing salt, hardening accelerators. The fast-curing resin and the co-polymerizeable monomer together in combination have a viscosity level in the range of 1875 CPS and 2725 CPS at 25°C. An acidic solution and organic peroxide catalysts are then mixed into the first mixture to form a second mixture that will foam in a controllable manner and cure to produce a foam material of desired density.

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